first-cousin

1- Pibling's child. / Parent's nibling.
2- Person who, in relation to the other person, has zero parents and two grandparents (maternal or paternal) in common.
3- Cousin.
4- 1C.
My first-cousin is a good person.
by Peter12369 October 21, 2021
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double-half-uncle

1- Half-brother of mother and of father at the same time.
2- Son of maternal grandmother (mother's mother) and of paternal grandfather (father's father) at the same time.
3- Son of paternal grandmother (father's mother) and of maternal grandfather (mother's father) at the same time.
4- Two parents's half-brother.
My double-half-uncle is a good person.
by Peter12369 October 21, 2021
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double-half-uncle

1- Half-brother of mother and of father at the same time.
2- Son of maternal grandmother (mother's mother) and of paternal grandfather (father's father) at the same time.
3- Son of paternal grandmother (father's mother) and of maternal grandfather (mother's father) at the same time.
My double-half-uncle is a good person.
by Peter12369 October 21, 2021
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half-cousin

1- Half-pibling's child / Parent's half-nibling.
2- Person who, in relation to the other person, has zero parents and one grandparent in common.
3- Half-first-cousin.
4- Half-1C.
My half-cousin is a good person.
by Peter12369 October 21, 2021
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half-first-cousin

1- Half-pibling's child. / Parent's half-nibling.
2- Person who, in relation to the other person, has zero parents and one grandparent in common.
3- Half-cousin.
4- Half-1C.
My half-first-cousin is a good person.
by Peter12369 October 21, 2021
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cousin

1- Pibling's child / Parent's nibling.
2- Person who, in relation to the other person, has zero parents and two grandparents (maternal or paternal) in common.
3- First-cousin.
4- 1C.
My cousin is a good person.
by Peter12369 October 21, 2021
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sesqui-first-cousin

1- Child of parent’s full sister and of other parent’s half-brother at the same time.
2- Child of parent’s full brother and of other parent’s half-sister at the same time.
3- Person who, in relation to the other person, has zero parents and three grandparents in common.
4- Sesqui-cousin.
5- Sesqui-1C.
My sesqui-first-cousin is a good person.
by Peter12369 October 21, 2021
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